oro - RECOM Power AMERICAS Iout= 5A nom. Vout= 3.3VDC P= vertival through hole ... Innoline converters with Vadj pins (R-78AAxx-xxSMD, R-5xxx, R-6xxx and R-7xxx families) ...

www.recom-power.com REV.: 3/2018 I-1

Features

SwitchingRegulator

• Non-isolated• Synchronous rectification design• Adjustable output voltage• 2, 3, 4 & 5AMP adjustable positive step down integrated switching regulator• Over load protection• Continuous short circuit protection• Efficiency up to 96% R-5xxxPA_PD

DescriptionThe R-5xxxA series is a high performance 1.2V to 5.5V, 2Amp to 5Amp, 12-Pin SIP (single in-line package) integrated switching regulator (ISR). The synchronous - rectified design yields excellent efficiencies up to 96%. Short circuit protection reduces the short circuit input current to under 50mA. Autosense function compensates for any losses in long circuit loops.

DC/DC Converter

2,3,4,5 AmpSIP12Vertical &HorizontalSingle Output

IEC/EN60950-1 certified

Selection GuidePart Input Output Vout Output Efficiency Max. CapacitiveNumber Voltage Range Voltage Adjust Range (1) Current @ min Vin @ max. Vin Load (2)

[VDC] [VDC] [VDC] [A] [%] 12V [%] [µF]R-521.2xA 4.5 - 18 1.2 1.0 - 3.0 2 83 79 75 300/6800R-521.8xA 4.5 - 18 1.8 1.1 - 4.5 2 88 85 82 300/6800R-522.5xA 4.5 - 18 2.5 1.6 - 5.5 2 91 88 86 300/6800R-523.3xA 4.5 - 18 3.3 1.6 - 5.5 2 92 90 89 300/6800R-525.0xA 6.5 - 18 5.0 3.0 - 5.5 2 95 93 92 300/6800R-531.2xA 4.5 - 18 1.2 1.0 - 3.0 3 85 84 82 300/6800R-531.8xA 4.5 - 18 1.8 1.1 - 4.5 3 89 88 86 300/6800R-532.5xA 4.5 - 18 2.5 1.6 - 5.5 3 92 91 89 300/6800R-533.3xA 4.5 - 18 3.3 1.6 - 5.5 3 94 93 92 300/6800R-535.0xA 6.5 - 18 5.0 3.0 - 5.5 3 96 95 94 300/6800R-541.2xA 4.5 - 18 1.2 1.0 - 3.0 4 82 81 79 300/6800R-541.8xA 4.5 - 18 1.8 1.1 - 4.5 4 87 86 85 300/6800R-542.5xA 4.5 - 18 2.5 1.6 - 5.5 4 91 89 88 300/6800R-543.3xA 4.5 - 18 3.3 1.6 - 5.5 4 93 92 91 300/6800R-545.0xA 6.5 - 18 5.0 3.0 - 5.5 4 95 94 93 300/6800R-551.2xA 4.4 - 18 1.2 1.0 - 3.0 5 81 80 78 300/6800R-551.8xA 4.5 - 18 1.8 1.1 - 4.5 5 86 85 84 300/6800R-552.5xA 4.5 - 18 2.5 1.6 - 5.5 5 90 89 88 300/6800R-553.3xA 4.5 - 18 3.3 1.6 - 5.5 5 92 91 90 300/6800R-555.0xA 7.0 - 1.8 5.0 3.0 - 5.5 5 94 93 92 300/6800

Notes: Note1: Vin-Vout ≥ 1.5V~4.0V depending on Vout if adjust function is used Note2: please refer to basic characteristics

Notes: Note3: x can be „P“= vertical through hole x can be „D“ = bent for horizontal through hole mounting

Model Numbering

Ordering Examples:R-553.3PA Iout= 5A nom. Vout= 3.3VDC P= vertival through holeR-522.5DA Iout= 2A nom. Vout= 2.5VDC D= bent for horizontal through hole mounting

Pinning (3)

Output Current (A)

nom. Output Voltage

R-5_ __ xA

http://www.recom-power.com



DC/DC ConverterSpecifications (refer to standard application circuit, Ta= 25°C)

R-5xxxPA_DASeries

BASIC CHARACTERISTICSParameter Condition Min. Typ. Max.Quiescent Current min. Vin to max. 20mA

Internal Power Dissipation ta<60°C 1.4W

Output Current Limit

R-52xxR-53xxR-54xxR-55xx

2.5A3.75A5.0A6.0A

3.0A4.25A5.5A6.5A

Minimum Load (4) 10%

ON/OFF CTRL (5)DC-DC ONDC-DC OFF

Open or high, 4.5V min. / 18V max.Low (Power OFF) 0.8V max.

Input Current of CTRL Pin DC-DC OFF 100µA

Internal Operating Frequency 270kHz 300kHz 330kHz

Output Ripple and NoiseR-52xx

R-53xx & R-54xx & R-55xx40mVp-p80mVp-p

70mVp-p120mVp-p

Maximum Capacitive Loadnormal start-up time, no external diodes 300µF

<1 second start-up time + diode protection circuit 6800µF

continued on next page

How to calculate the max output current

Notes: Note4: Operation below 10% load won‘t harm the converter, but specifications may not be met Note5: ON/OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET

0 0.50

20

40

60

8085

100

Ambi

ent T

empe

ratu

re [°

C]

Internal Power Dissipation [W]1.41

Vin = 18V

Vout = 5V

Effmax Vin

= 93%

PD = 1.4W

TAmbient

= 60°C

Vin = 18V

Vout = 5V

Effmax Vin

= 93%

PD = 1W

TAmbient

= 85°C

Vin = 12V

Effmax Vin

= 94%

PD = 1.0W

TAmbient

= 85°C

Iout=1.4W

= 4.0A5V x (1-0.93

)

Iout=1W

= 2.857A5V x (1-0.93

)

Iout=1W

= 3.33A5V x (1-0.94

)

Iout=PD

Vout x (1-Effmax Vin

)

PD= Iout x Vout x (1-Eff

max Vin )

The internal power dissipiation (PD ) follows the equation:

Calculation 1: Calculation 2:

Calculation 3:

Example: R-545.0P





R-5xxxPA_DASeries

Efficiency vs. Load

R-53xx / R-54xx / R-55xxVin=18V

R-53xx / R-54xx / R-55xxmin. Vin

R-52xxVin=18V

R-52xxmin. Vin

100

40

60

50

80

70

90

Effic

ienc

y [%

]

Output Load [A]

0.1 0.5 1 1.5 2

5Vout3.3Vout2.5Vout

1.8Vout1.2Vout

100

70

80

75

90

85

95

Effic

ienc

y [%

]Output Load [A]

0.1 0.5 1 1.5 2

5Vout3.3Vout2.5Vout1.8Vout1.2Vout

100

70

80

75

90

85

95

Effic

ienc

y [%

]

Output Load [A]

0.1 1 2 3 4 5

5Vout3.3Vout2.5Vout

1.8Vout1.2Vout

100

70

80

75

90

85

95

Effic

ienc

y [%

]

Output Load [A]

0.1 1 2 3 4 5


2ADC R-521.2PA/DA R-521.8PA/DA R-522.5PA/DA R-523.3PA/DA R-525.0PA/DA




Vout nom. 1.2VDC 1.8VDC 2.5VDC 3.3VDC 5.0VDC

Vout adj. R1 R2 R1 R2 R1 R2 R1 R2 R1 R2

0.8

0.9 740Ω1.0 3.9kΩ1.1 13kΩ 1.05kΩ1.2 2.1kΩ 270Ω

Trim Tables or Calculation






R-5xxxPA_DASeries

REGULATIONSParameter Condition ValueOutput Accuracy ±1.0% typ. / ±2.0% max.

Line Regulation low line to high line, full loadR-52xx

R-53xx & R-54xx & R-55xx±0.25% typ. / ±0.5% max.

±0.5% typ. / ±1.0% max.

Load Regulation 10% to 100%, full loadR-52xx

R-53xx & R-54xx & R-55xx±0.5% typ. / ±1.0% max.±1.0% typ. / ±2.0% max.

Transient Response (6)50% load step changeVout Over / Undershoot

100µs typ. / 200µs max.100mV max.






Vout nom. 1.2VDC 1.8VDC 2.5VDC 3.3VDC 5.0VDC

Vout adj. R1 R2 R1 R2 R1 R2 R1 R2 R1 R2

1.3 37kΩ 3.7kΩ 750Ω1.5 11.5kΩ 10kΩ 2.1KΩ 390Ω1.6 8.2kΩ 18kΩ 3.0KΩ 750Ω1.7 6.5kΩ 41kΩ 4.1KΩ 1.2kΩ1.8 5.2kΩ 5.6KΩ 1.7kΩ1.9 4.3kΩ 36kΩ 7.5KΩ 2.2kΩ2.0 3.6kΩ 1.8kΩ 10.5KΩ 2.8kΩ2.4 2.1kΩ 5.2kΩ 82KΩ 6.8kΩ2.5 1.8kΩ 4.3kΩ 8.5kΩ2.6 1.65kΩ 3.6kΩ 33kΩ 10.5kΩ3.0 1.05kΩ 2.1kΩ 6.2kΩ 33kΩ 470Ω3.2 1.65kΩ 4.1kΩ 110kΩ 1.6kΩ3.3 1.5kΩ 3.4kΩ 2.2kΩ3.4 1.35kΩ 2.9kΩ 36kΩ 3.0kΩ3.6 1.07kΩ 2.2kΩ 11kΩ 4.7kΩ3.9 780Ω 1.4kΩ 4.7kΩ 8.5kΩ4.5 390Ω 650Ω 1.6Ω 30kΩ4.9 350Ω 820Ω 220kΩ5.0 290Ω 680Ω5.1 220Ω 560Ω 28kΩ5.5 39Ω 190Ω 2.6kΩ

Trim Tables or Calculation

Notes: Note6: Requires a 100µF electronic or tantalum output capacitpr for proper operation in all applications (the capacitor has to be placed as close as possible to the output pins): 100µF for R-52xxx, R-53xx and R-54xx 220µF for R-55xx





R-5xxxPA_DASeries

Load Regulation

R-53xx / R-54xx

R-53xx / R-54xx

R-52xx / R- 55xx

R-52xx / R- 55xx

Line Regulation

2.0

0

1.0

1.5

0.5

Load

Reg

ulat

ion

[%]

Input Voltage [V]

0 5.0 10 15 18


1

0

0.5

Line

Reg

ulat

ion

[%]

Output Voltage [V]

1.2 1.8 2.3 3.3 5.0

2.0

0

1.0

1.5

0.5

Load

Reg

ulat

ion

[%]

Input Voltage [V]

0 5.0 10 15 18


1

0

0.5

Line

Reg

ulat

ion

[%]

Output Voltage [V]

1.2 1.8 2.3 3.3 5.0

PROTECTIONSParameter Condition ValueShort Circuit Protection (SCP) continuous, automatic recovery

Short Circuit Input Current 50mA max.






R-5xxxPA_DASeries

DIMENSION AND PHYSICAL CHARACTERISTICSParameter Type Value

Materialcase

pottingnon-conducive black plastic, (UL94 V-0)

epoxy, (UL94 V-0)

Package Dimension (LxWxH) 32.2 x 9.1 x 15.0mm

Package Weight 9g typ.


ENVIRONMENTALParameter Condition Value Operating Temperature Range without derating @ natural convection 0.1m/s -40°C to +85°C

Maximum Case Temperature +110°C

Thermal Impedance @ natural convection 0.1m/s 25°C/W

Operating Humidity non-condensing 95% RH max.

Operating Altitude 2000m

Pollution Degree PD2

MTBF according to MIL-HDBK 217F, G.B.+25°C+85°C

749 x 103 hours150 x 103 hours

Output Soft Start

Innoline converters with Vadj pins (R-78AAxx-xxSMD, R-5xxx, R-6xxx and R-7xxx families) can be fitted with an external circuit to create an output soft start. Any general purpose PNP transistor and diode can be used for TR1 and D1 and typical values for R1 = 100K and C1 = 10µF.

Optional Diode Protection Circuit

Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter when it is powered down. Protection diodes are required for high capacitive loads.

The diode can either be fitted across the divice, if the source is low imped-ance or fitted in series with the output (recommended).

+Vout

GNDGND

+VinR-5/6/7xxx

+Vout

GND

Diode

Trim output voltageup to 1 diode drop

GND

+VinR-5/6/7xxx

Optional Protection 1: Optional Protection :

GND

Vcc

GNDCtrl

+Vin +Vout

Vadj

R1 D1

C1

TR1

On/Off

R-5/6/7xxx

SAFETY AND CERTIFICATIONSCertificate Type (Safety) Report / File Number Standard

Information Technology Equipment, General Requirements for Safety 1605077-12IEC60950-1:2005, 2nd Edition + AM2:2013

EN60950-1:2006 + AM2:2013

EAC RU-AT.49.09571 TP TC 004/2011

RoHs 2+ RoHS-2011/65/EU + AM-2015/863





R-5xxxPA_DASeries

INSTALLATION AND APPLICATION


C1

2, 3, 4

Q1

1

5, 6, 7, 8

12

9, 10, 11

R1(Adjust down)

1µF(Optional)

R2(Adjust up)

C2100µF

ESR= 150mΩ max.(Required)

Vin

Com Com

VoutR-52xxR-53xxR-54xxR-55xx

OFF

ON

TTL

Standard Application Circuit

Dimension Drawing (mm)

Pin Connections Pin # Single Description 1 ON / OFF Input pin: Active low (less than 0.8V) to disable the device 2,3,4 Vin Power Input 5, 6, 7, 8 GND Input and Output ground (common) 9, 10 Vout Power output 11 Vout (Auto Sense) If unused this pin must be connected to Pin 9 and 10 12 Vout-Adj. With external resistors R1, R2 to selected output voltage

Tolerance: xx.x= ±0.5mm xx.xx= ±0.25mm

Bottom View

Top View1 2 3 4 5 6 7 8 9 10 11 121 2 3 4 5 6 7 8 9 10 11 12

2.54

2.54

9.132.2

11 x 2.54 = 27.94

0.8

0.70+0.10/-0.05 0.25±0.05

15.0

4.10

Marking

embossed logo

2.1

Bottom ViewTop View

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 10 11 12

2.54

2.54

32.2

15.0

9.1

17.0

2.1

11 x 2.54 = 27.94

0.70+0.10/-0.05 0.25±0.05

Recommended Footprint Details

Recommended Footprint Details

R-5xxxPA

R-5xxxDA

Add blocking diode to Vout if current can flow backwards into the output, as this can damage the converter.(Please refer to “Optional Diode Protection Circuit” on Page I-5)





R-5xxxPA_DASeries

PACKAGING INFORMATIONParameter Type Value

Packaging Dimensions (LxWxH)R-5xxxDAR-5xxxPA

520.0 x 20.0 x 19.0mm530.0 x 23.0 x 19.0mm

Packaging Quantity tube 15pcs

Storage Temperature Range -40°C to +125°C

The product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer. The products are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized

use of RECOM products in such safety-critical applications.

Parallel Application Circuit

Component side Solder side

The R-52xx, R-53xx, R-54xx series can be used in parallel to upgrade the output current capacity for the same output voltage.For example, the R-543.3PA can parallel up with another R-554.3PA to give up to 8 amps or with the R-533.3PA or R-23-3PA types to give output currents of up to 7 amps or 6 amps.The R-55xx series cannot be paralleled.

12

11

10

9

1

2

3

4

1

2

3

4

5 6 7 8

12

11

10

95 6 7 8

ON/OFFControl

Com Com

Vout

C1100µF/25V

(REQ´D)

C2-1100µF/10V

(REQ´D)

C2-2100µF/10V

(REQ´D)

U2

must be connectedtogether

U1

Keep 2mm to 5mm distancebetween both converters

U11 12

U21 12

U1

C2-1

C2-2

To Load

ComCom

+Vout

Sense

C1

U2112

112

+Vin



oro - RECOM Power AMERICAS Iout= 5A nom. Vout= 3.3VDC P= vertival through hole ... Innoline converters with Vadj pins (R-78AAxx-xxSMD, R-5xxx, R-6xxx and R-7xxx families) ...

Documents